Red-light irradiation control method for myopia physiotherapy, and related product thereof

Abstract

Disclosed is a red-light irradiation control method for myopia physiotherapy. The method comprises: acquiring an ocular surface image of a user (S 102 ); analyzing the ocular surface image to determine state information of a pupil (S 104 ); and controlling, based on the state information of the pupil and a red-light irradiation in-eye light power of the user, red-light irradiation on a fundus of the user (S 106 ). With the red-light control solution of the present disclosure, safe, effective and personalized fundus red-light irradiation may be provided for each user according to the specific eye features (for example, a pupil state) and red-light irradiation in-eye light power of the user, so that the efficiency of myopia physiotherapy may be obviously improved.

1 . A red-light irradiation control method for myopia physiotherapy, comprising:
 acquiring an ocular surface image of a user;   analyzing the ocular surface image to determine state information of a pupil; and   controlling, based on the state information of the pupil and a red-light irradiation in-eye light power of the user, red-light irradiation on a fundus of the user.   
     
     
         2 . The red-light irradiation control method of  claim 1 , wherein acquiring the ocular surface image of the user includes:
 acquiring the ocular surface image of the user by at least one positioning camera before and/or during red-light irradiation on the fundus of the user.   
     
     
         3 . The red-light irradiation control method of  claim 1 , wherein analyzing the ocular surface image to determine the state information of the pupil includes:
 analyzing the ocular surface image by a neural network model to determine the state information of the pupil.   
     
     
         4 . The red-light irradiation control method of  claim 1 , wherein the state information of the pupil includes a pupil size. 
     
     
         5 . The red-light irradiation control method of  claim 4 , wherein the state information of the pupil further includes a distance of the pupil relative to a red-light irradiation assembly. 
     
     
         6 . The red-light irradiation control method of  claim 5 , wherein the state information of the pupil further includes a position and/or direction of the pupil relative to the red-light irradiation assembly. 
     
     
         7 . The red-light irradiation control method of  claim 6 , further comprising:
 moving the red-light irradiation assembly in at least one moving direction in response to a shift in the position and/or direction of the pupil relative to the red-light irradiation assembly, to provide vertical red-light irradiation on the fundus.   
     
     
         8 . The red-light irradiation control method of  claim 4 , wherein controlling, based on the state information of the pupil and the red-light irradiation in-eye light power of the user, red-light irradiation on the fundus of the user includes:
 determining a light source power of the red-light irradiation assembly based on the pupil size and the red-light irradiation in-eye light power of the user; and   controlling the red-light irradiation on the fundus of the user based on the light source power of the red-light irradiation assembly.   
     
     
         9 . The red-light irradiation control method of  claim 8 , wherein the light source of the red-light irradiation assembly includes a non-homogenized light beam, and determining the light source power of the red-light irradiation assembly based on the pupil size and the red-light irradiation in-eye light power of the user includes:
 determining the light source power based on the pupil size, the red-light irradiation in-eye light power of the user, and a power-annulus radius correspondence relationship of the non-homogenized light beam.   
     
     
         10 . The red-light irradiation control method of  claim 8 , wherein the light source of the red-light irradiation assembly includes a homogenized light beam, and determining the light source power of the red-light irradiation assembly based on the pupil size and the red-light irradiation in-eye light power of the user includes:
 determining the light source power based on the pupil size, the red-light irradiation in-eye light power of the user, and a power-annulus radius correspondence relationship of the homogenized light beam.   
     
     
         11 . The red-light irradiation control method of  claim 8 , wherein controlling, based on the state information of the pupil and the red-light irradiation in-eye light power of the user, red-light irradiation on the fundus of the user further includes:
 determining the light source power of the red-light irradiation assembly based on the pupil size, a distance of the pupil relative to the red-light irradiation assembly, and the red-light irradiation in-eye light power of the user.   
     
     
         12 . The red-light irradiation control method of  claim 8 , wherein the light source power of the red-light irradiation assembly ranges from 0.1 mw to 1.7 mw. 
     
     
         13 . The red-light irradiation control method of  claim 12 , wherein a spectrum of the light source is narrow-band red-light or infrared light, with a center wavelength within the range of 630 nm to 850 nm, and a width (full width at half maximum) less than 20 nm. 
     
     
         14 . A red-light irradiation control device for myopia physiotherapy, comprising:
 a processor; and   a memory having program instructions for controlling red-light irradiation on a fundus stored thereon which, when executed by a processor, cause to implement:   acquiring an ocular surface image of a user;   analyzing the ocular surface image to determine state information of a pupil; and   controlling, based on the state information of the pupil and a red-light irradiation in-eye light power of the user, red-light irradiation on a fundus of the user.   
     
     
         15 . An apparatus for myopia physiotherapy, comprising:
 a positioning camera configured to capture an ocular surface of a user to generate an ocular surface image;   a red-light irradiation assembly configured to irradiate red-light on a fundus of the user to implement myopia physiotherapy; and   a red-light irradiation control device for myopia physiotherapy, which is connected to the positioning camera and the red-light irradiation assembly, respectively, and configured to control the red-light irradiating the fundus by,   acquiring the ocular surface image of the user through the positioning camera;   analyzing the ocular surface image to determine state information of a pupil; and   controlling, based on the state information of the pupil and a red-light irradiation in-eye light power of the user, red-light irradiation on a fundus of the user.   
     
     
         16 . (canceled) 
     
     
         17 . The apparatus of  claim 15 , wherein the state information of the pupil includes a pupil size. 
     
     
         18 . The apparatus of  claim 17 , wherein the state information of the pupil further includes a distance of the pupil relative to a red-light irradiation assembly. 
     
     
         19 . The apparatus of  claim 18 , wherein the state information of the pupil further includes a position and/or direction of the pupil relative to the red-light irradiation assembly. 
     
     
         20 . The apparatus of  claim 15 , wherein a light source power of the red-light irradiation assembly ranges from 0.1 mw to 1.7 mw. 
     
     
         21 . The apparatus of  claim 20 , wherein a spectrum of the light source is narrow-band red-light or infrared light, with a center wavelength within the range of 630 nm to 850 nm, and a width (full width at half maximum) less than 20 nm.